decoder/Thread, ...: log all exceptions

src/decoder/DecoderThread.cxx

@@ -536,9 +536,8 @@ DecoderControl::RunThread() noexcept
 			if (state == DecoderState::ERROR) {
 				try {
 					std::rethrow_exception(error);
-				} catch (const std::exception &e) {
-					LogError(e);
 				} catch (...) {
+					LogError(std::current_exception());
 				}
 			}
 

src/decoder/plugins/FfmpegDecoderPlugin.cxx

@@ -255,9 +255,9 @@ FfmpegSendFrame(DecoderClient &client, InputStream &is,
 	try {
 		output_buffer = copy_interleave_frame(codec_context, frame,
 						      buffer);
-	} catch (const std::exception &e) {
+	} catch (...) {
 		/* this must be a serious error, e.g. OOM */
-		LogError(e);
+		LogError(std::current_exception());
 		return DecoderCommand::STOP;
 	}